Table 2.
Lower extremity ulcers during the 30‐month evaluation perioda
| Dialysis, n = 150 | Ulcer history, n = 150 | P‐value | |
|---|---|---|---|
| Multiple ulcer events | |||
| First ulcer | 31 | 42 | 0·26 |
| Second ulcer | 20 | 20 | 0·15 |
| Third ulcer | 9 | 9 | 0·076 |
| Fourth ulcer | 7 | 4 | 0·051 |
| Fifth ulcer | 3 | 2 | 0·33 |
| More than six ulcers (max 11) | 9 | 2 | 0·058 |
| Total number of ulcers | 79 | 79 | 1·00 |
| Ulcer location | |||
| Forefoot | 69·2% | 74·7% | 0·56 |
| Midfoot | 9·0% | 6·3% | 0·73 |
| Heel | 14·1% | 11·4% | 0·77 |
| Ankle–leg | 7·7% | 7·6% | 1·00 |
| First ulcer incidence | 82·7 (65·7–102·4) | 112·0 (92·2–134·8) | 0·033 |
| Cumulative incidence | 210·7 (183·0–240·9) | 210·7 (183·0–240·9) | 1·00 |
| First ulcer that healed | (15) 48·4% | (28) 66·7% | 0·184 |
a
Incidence rates are reported in 1000 person‐years and 95% confidence interval.